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Pakistan | Family List | Brassicaceae | Diptychocarpus

Diptychocarpus strictus (Fisch. ex M. Bieb.) Trautv. in Soc. Nat. Mosc. 23: 108. 1860. Boiss., l.c. 145; Schulz in Engl. & Prantl, l.c. 567; Vas. in Kom., l.c. 310; Rech. f., l.c. 244.

Diptychocarpus strictus

Credit: Azmat

  • Alloceratium strictum (Fisch. ex M. Bieb.) Hook. f. & Thoms.
  • Chorispora stenopetala Regel & Schmalh.
  • Chorispora stricta (Fisch. ex M. Bieb.) DC.
  • Matthiola fischeri Ledeb.
  • Orthorrhiza persica Stapf
  • Raphanus strictus Fisch. ex M. Bieb.

    Annual, 10-40 cm tall, usually sparsely hairy. Basal leaves often in loose rosette, pinnatifid to distantly toothed, rarely almost entire, 30-50 mm long, 4-6 mm broad; upper leaves on the main stem ± similar to the basal leaves, those on the branches and the uppermost leaves linear-oblong, smaller, almost entire. Racemes 10-20-flowered, up to 15 cm long in fruit. Flowers 5-6 mm across, lilac, pinkish or whitish; pedicels up to 3 (-4) mm long in fruit, thickened, especially with the indehiscent fruits. Sepals 4-5 mm long. Petals 8-10 mm long, c. 1.5 mm broad. Stamens 4: 6 mm long; anthers c. 1.5 mm long. Siliquae dimorphic; upper ones usually dehiscent, linear-compressed, subterete, 45-60 (-100) mm long, 2-3 mm broad; lower ones usually indehiscent but transversely breaking into seeded parts, 35-45 mm long, c. 2 mm broad, linear-cylindrical; valves rigid with a distinct mid-vein; style with stigma (beak) 3-4 (-6) mm long, conical, somewhat thickened; septum membranous, not veined; seeds distinctly to obscurely or not winged (usually winged in dehiscent fruits).

    Fl. Per.: March-May.

    Type: C. Asia, Kirghis, Tauscher (LE).

    Distribution: Turcomania, Iran, Afghanistan and Pakistan.

    A variable species; sometimes only flattened, dehiscent siliquae are present. Our plants have very narrow leaves and may be infra-specifically different.


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